1 #ifndef _LINUX_SECCOMP_H

     2 #define _LINUX_SECCOMP_H

     3 

     4 

     5 #ifdef CONFIG_SECCOMP

     6 

     7 #include <linux/thread_info.h>

     8 #include <asm/seccomp.h>

     9 

    10 typedef struct { int mode; } seccomp_t;

    11 

    12 extern void __secure_computing(int);

    13 static inline void secure_computing(int this_syscall)

    14 {

    15 	if (unlikely(test_thread_flag(TIF_SECCOMP)))

    16 		__secure_computing(this_syscall);

    17 }

    18 

    19 extern long prctl_get_seccomp(void);

    20 extern long prctl_set_seccomp(unsigned long);

    21 

    22 #else /* CONFIG_SECCOMP */

    23 

    24 typedef struct { } seccomp_t;

    25 

    26 #define secure_computing(x) do { } while (0)

    27 

    28 static inline long prctl_get_seccomp(void)

    29 {

    30 	return -EINVAL;

    31 }

    32 

    33 static inline long prctl_set_seccomp(unsigned long arg2)

    34 {

    35 	return -EINVAL;

    36 }

    37 

    38 #endif /* CONFIG_SECCOMP */

    39 

    40 #endif /* _LINUX_SECCOMP_H */